ESA’s Trace Gas Orbiter mission arrived at Mars in October 2016. After a year spent carefully adjusting its position, the spacecraft is now beginning its science operations.

The Trace Gas Orbiter’s instruments will be able to look through the atmosphere to identify trace gases – in particular methane – which could indicate signs of past or even present life. The orbiter will also act as a relay for rovers on the Martian surface.

Credit/Courtesy: ESA